Cordova, Alaska · field elev 59 ft
Density Altitude at Cordova Municipal (CKU)
Cordova Municipal sits at 59 ft, and even a typical July afternoon (62 °F) only lifts density altitude to about 294 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 31.9 | −1,753 ft | 37.0 | −1,396 ft |
| February | 32.8 | −1,689 ft | 37.8 | −1,341 ft |
| March | 33.5 | −1,640 ft | 39.1 | −1,251 ft |
| April | 39.7 | −1,209 ft | 46.0 | −778 ft |
| May | 46.6 | −737 ft | 53.0 | −307 ft |
| June | 52.6 | −333 ft | 58.7 | 71 ft |
| July | 56.5 | −74 ft | 62.1 | 294 ft |
| August | 56.0 | −107 ft | 61.6 | 262 ft |
| September | 50.0 | −508 ft | 55.5 | −140 ft |
| October | 42.0 | −1,051 ft | 46.8 | −724 ft |
| November | 35.5 | −1,501 ft | 40.1 | −1,182 ft |
| December | 33.6 | −1,633 ft | 38.4 | −1,299 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for CKU
DENSITY ALTITUDE
Field elevation 59 ft — the air behaves like 288 ft.
- PRESSURE ALT
- 60 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Alaska fields
- PACV — Merle K (Mudhole) Smith
Cordova · elev 53 ft
- PAKA — Tatitlek
Tatitlek · elev 62 ft
- K55 — Thompson Pass
Valdez · elev 2,080 ft
- PAVD — Valdez Pioneer Field
Valdez · elev 128 ft
- PAMD — Middleton Island
Middleton Island · elev 100 ft
- PFCB — Chenega Bay
Chenega · elev 69 ft
- PAAX — Chitina
Chitina · elev 556 ft
- Z93 — Copper Center 2
Copper Center · elev 1,150 ft
Frequently asked questions
How high does density altitude get at CKU in summer?
On a typical July afternoon — around 62 °F at the nearest NOAA normals station — density altitude at Cordova Municipal reaches roughly 294 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at CKU on an average day?
It swings with the seasons: from roughly −1,753 ft at the coldest month's average temperature to about −74 ft at the warmest month's — all from a constant field elevation of 59 ft. The month-by-month table above carries the full year.
What is the field elevation of Cordova Municipal?
59 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is CKU (FAA), in Cordova, Alaska.